CN210939355U - Novel multifunctional stitch removing knife - Google Patents

Abstract

The utility model relates to a novel multifunctional stitch removing knife, which comprises a knife body, a knife head positioned at one end of the knife body and a knife tail section positioned at the other end of the knife body, and is characterized in that the knife head is formed by bending and extending the bent part from one end of the knife body, the knife head bends and extends towards the direction of the knife body, and a knife edge is arranged along the concave edge of the relative inner concave part at the inner side of the knife head; the tool bit is arranged into an arc-shaped hook, and the opposite concave edge on the inner side of the tool bit and the opposite convex edge on the outer side of the tool bit are both arc-shaped. The utility model provides a multifunctional stitch removing knife, which changes the knife head into a hook shape, and the knife edge is retracted, so the use is safer; the cutter tail is additionally provided with a cutting edge for removing the letter, and the functions of removing the plastic packaging film and removing the letter are achieved.

Description

Novel multifunctional stitch removing knife

Technical Field

The utility model belongs to the cutter field, concretely relates to novel multi-functional seam ripper has the plastic envelope membrane of tearing open concurrently and tears letter function open.

Background

The existing stitch removing knife on the market has a sharp and slender knife point in the outward force applying direction, is easy to hurt an auxiliary hand holding cloth in the using process, is unstable when being subjected to force application, and is easy to deviate from a person who hurts a body or a body.

Disclosure of Invention

The utility model mainly aims at the problems, the novel multifunctional stitch removing knife is invented, the knife head is modified into a hook shape, the knife edge is retracted, and the use is safer; the cutter tail is additionally provided with a cutting edge for removing the letter, and the functions of removing the plastic packaging film and removing the letter are achieved.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a novel multi-functional stitches removing knife, includes the blade, is located the tool bit of blade one end, is located the sword tail section of the blade other end, its characterized in that, the tool bit is the crooked extension of crotch form from the one end of blade, and the tool bit extends towards the blade place direction is crooked, sets up the cutting edge along the sunken limit of the inboard relative indent of tool bit. The knife edge is retracted, so that hands are not injured; the direction of the broken wire is changed, so that the force is more favorably exerted and the safety is higher; can be used for plastic packaging film for disassembling products, such as cosmetic surface plastic packaging film.

Preferably, the cutter head is provided with an arc-shaped hook, and the opposite concave edge on the inner side of the cutter head and the opposite convex edge on the outer side of the cutter head are both arc-shaped. The outer contour lines of the tool bit are smooth, no sharp corners exist, and the tool bit is safe to use and does not hurt hands.

Preferably, the cutter head is provided with a dog-ear hook, wherein the opposite concave edges on the inner side of the cutter head are dog-ear edges, and the opposite convex outer edges on the outer side of the cutter head are arc edges. The outer contour lines of the tool bit are smooth, no sharp corners exist, and the tool bit is safe to use and does not hurt hands.

Preferably, two opposite side surfaces of the knife body are hand holding surfaces, and one of the hand holding surfaces is provided with a relatively concave gripping part. The middle part of the surface of the knife body is slightly concave according to ergonomics, so that the knife body is convenient to hold and is not easy to slip.

Preferably, two opposite side surfaces of the knife body are hand holding surfaces, and the two hand holding surfaces are both provided with relatively concave gripping parts. The middle part of the surface of the knife body is slightly concave according to ergonomics, so that the knife body is convenient to hold and is not easy to slip.

Preferably, the cutter tail section is provided with a cutting edge for letter opening, the cutting edge is relatively thin and can be used for letter opening, but a hand is not cut, and safety is guaranteed.

Preferably, the cutting edge is arranged at the edge of one side of the cutter tail section, is a section of thin edge with relatively reduced thickness, can be used for opening letters, does not cut hands, and ensures safety.

Preferably, the cutting edge is arc-shaped and concave relative to the knife body, and the cutting edge faces away from the direction of the knife head. According to normal posture of holding, when using the tool bit to tear open plastic envelope membrane, the finger is in the one side of back to the cutting edge, can not contact with the cutting edge, and is safer.

Preferably, the knife body, the knife head and the knife tail section are integrally formed and are flat; the knife body and the knife head are in smooth transition, and the knife body and the knife tail section are in smooth transition.

To sum up, compared with the prior art, the utility model has the following advantages:

the utility model redesigns the structure of the stitch removing knife according to the using habit of consumers, modifies the knife head into a hook shape, retracts the knife edge, changes the thread breaking direction, and is safer by applying force; the utility model adds a cutting edge for letter opening at the knife tail, which has the functions of plastic film opening and letter opening; the utility model has a slight undulate surface which is comfortable to hold and feel according to the human engineering design; the utility model discloses have the smooth structure of integration, smooth curve profile and extension curved surface have increased artistic aesthetic feeling.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the present invention;

fig. 3 is a side view of the present invention.

The reference numbers in the figures are: 1. a blade body; 11. a pinch-grip portion; 2. a cutter head; 21. a blade; 3. a blade tail section; 31. and cutting edges.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1, 2 and 3, a novel multifunctional stitch removing knife comprises a knife body 1, a knife head 2 at the front end of the knife body 1 and a knife tail section 3 at the rear end of the knife body 1, wherein the knife body 1, the knife head 2 and the knife tail section 3 are integrally formed, the knife body 1 and the knife head 2 are in smooth transition, and the knife body 1 and the knife tail section 3 are in smooth transition; the stitch removing knife is flat as a whole and has an integrated curved smooth line structure; the middle part of the stitch removing knife is wide, the two ends of the stitch removing knife are narrow, the stitch removing knife gradually narrows from the front end of the knife body 1 to the knife head 2, and the knife tail section 3 also gradually narrows to match with the holding posture and the shape of the hand.

The tool bit 2 is formed by bending and extending the front end of the tool body 1 in an arc-shaped hook shape, the tool bit 2 bends and extends towards the direction of the tool body, and the opposite concave edges on the inner side of the tool bit 2 and the opposite convex outer edges on the outer side of the tool bit are both arc-shaped; a cutting edge 21 is provided along the concave side of the inside of the cutting head 2.

Two opposite side surfaces of the knife body 1 are hand holding surfaces, two slightly concave holding parts 11 are arranged on the two hand holding surfaces, and the two holding parts 11 are opposite in position and are positioned in the middle of the hand holding surfaces.

The cutter tail section 3 is in small-amplitude arc bending relative to the cutter body 1, and the bending extending direction of the cutter tail section is back to the direction of the cutter head 2; the edge of one side of the recess of the knife tail section 3 is set as a cutting edge 31 for letter dismantling; the cutting edge 31 is relatively thin in thickness to enable the letter to be opened without cutting the hand.

Example 2:

compared with the embodiment 1, the difference of the embodiment is that the cutter head 2 is provided with a dog-ear hook, wherein the opposite concave edge on the inner side of the cutter head 2 is a dog-ear edge, and the opposite convex outer edge on the outer side of the cutter head 2 is an arc edge; the blade 21 is arranged at the relatively concave corner edge.

The utility model discloses use the custom according to the consumer, carry out redesign to the appearance and the functional principle of seam ripper, the tool bit modification is hook-shaped, with the cutting edge adduction, has the smooth structure of integration, and has the plastic envelope membrane of tearing open concurrently and tear open letter function. The knife body is designed according to human engineering and has a slightly fluctuated surface which is comfortable to hold and feel strong. And the artistic aesthetic feeling is increased by the smooth curve contour and the stretching curved surface. The utility model discloses an innovative design of ingenious outward appearance and function has carried out meaningful improvement and innovation to current stitch scissors, makes its more convenient safety, has also had abundanter application function.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (9)

1. The utility model provides a novel multi-functional stitches removing knife, includes blade (1), is located tool bit (2) of blade one end, is located blade tail section (3) of the blade other end, its characterized in that, the tool bit is the crooked extension of crotch form from the one end of blade, and the tool bit extends towards the blade place direction is crooked, sets up cutting edge (21) along the sunken limit of the inboard relative indent of tool bit.

2. The novel multifunctional stitch breaker according to claim 1, wherein the cutter head is configured as an arc hook, and the opposite concave edge on the inner side of the cutter head and the opposite convex edge on the outer side of the cutter head are both arc-shaped.

3. The novel multifunctional stitch breaker according to claim 1, wherein the cutter head is configured as a dog-ear hook, wherein the opposite concave edges on the inside of the cutter head are dog-ear edges, and the opposite convex outer edges on the outside of the cutter head are arc edges.

4. The novel multifunctional stitch removing knife according to claim 1, characterized in that the two opposite side surfaces of the knife body are hand holding surfaces, and a relatively concave gripping part (11) is arranged on one of the hand holding surfaces.

5. The novel multifunctional stitch removing knife according to claim 1, characterized in that the two opposite side surfaces of the knife body are hand holding surfaces, and a relatively concave gripping part (11) is arranged on each of the two hand holding surfaces.

6. The new multifunctional stitch breaker according to claim 1 characterized in that the tail section is provided with a cutting edge (31) for breaking letters.

7. The novel multifunctional stitch removing knife according to claim 6, wherein the cutting edge is a thin edge with relatively reduced thickness and is disposed at one side edge of the knife tail section.

8. The novel multifunctional stitch breaker according to claim 7, wherein the cutting edge is curved and concave relative to the knife body, and the cutting edge faces away from the knife head.

9. The novel multifunctional stitch removing knife according to any one of claims 1 to 8, wherein the knife body, the knife head and the knife tail section are integrally formed and flat; the knife body and the knife head are in smooth transition, and the knife body and the knife tail section are in smooth transition.

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